US 11,753,217 B2
Tethered flip closure
Gary L. Berge, Crystal Lake, IL (US); and Thomas P. Hennessy, Naperville, IL (US)
Assigned to Silgan White Cap LLC, Downers Grove, IL (US)
Filed by Silgan White Cap LLC, Downers Grove, IL (US)
Filed on Dec. 21, 2021, as Appl. No. 17/558,033.
Application 17/558,033 is a continuation of application No. 16/520,958, filed on Jul. 24, 2019, granted, now 11,214,413.
Prior Publication US 2022/0112007 A1, Apr. 14, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B65D 47/08 (2006.01); B65D 47/10 (2006.01)
CPC B65D 47/0842 (2013.01) [B65D 47/10 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A closure comprising:
a hinged sealing element including a top wall and a first skirt extending downwardly from the top wall, the first skirt including a first circumference, an inner surface, an outer surface, and a tab attached to the outer surface of the first skirt, the inner surface including a sealing formation configured to engage a container, the first skirt extending from the top wall to a lower edge of the first skirt;
a second skirt pivotally coupled to the hinged sealing element, the second skirt defining an inner surface, an outer surface, a top edge, and a second circumference larger than the first circumference, the inner surface configured to couple to the container;
a plurality of frangible members extending between the first and second skirts, the plurality of frangible members configured to provide a visual indication when broken that the closure has been opened a first time;
a first hinge member extending between the first and second skirts, the first hinge member including a first upper portion coupled to the first skirt, a first lower portion coupled to the second skirt, and a first middle portion extending between the first upper portion and the first lower portion, wherein the first middle portion is thinner than the first upper portion, the first upper portion including an inner edge closest to the biasing member and an outer edge furthest from the biasing member, wherein the outer edge of the first upper portion extends a first distance towards the second skirt and the inner edge of the first upper portion extends a second distance towards the second skirt that is further than the first distance;
a second hinge member extending between the first and second skirts; and
a biasing member attached to the first skirt between the first hinge member and the second hinge member, the biasing member extending downwardly from the first skirt to interact with a neck portion of the container.